How to use Land-lines in a sentence
Telegraphic communication with Europe is effected by cables laid along the Uruguayan and Brazilian coasts, and by the Brazilian land lines to connect with transatlantic cables from Pernambuco.
Communication with the United States is effected by land lines to Valparaiso, and thence by a cable along the west coast.
It was found impossible to make the Morse ink writer so sensitive that it could record signals sent over land lines of several hundred miles in length, if the speed of transmission was very much faster than that which could be effected by hand, and this led to the adoption of automatic methods of transmission.
For working long submarine cables the apparatus ordinarily employed on land lines cannot be used, as the retarding effect of the electrostatic capacity of the cable is so marked that signals fail to be recorded except at a very slow speed of working.
Owing to the difficulty of maintaining perfect balance on duplexed cables, curb sending is not now used, but the signals are transmitted by means of an apparatus similar to the Wheatstone automatic transmitter used on land lines and differing from the latter only in regard to the alphabet employed; the signals from the transmitter actuate a relay having heavy armatures which in turn transmit the signals to the cable; this arrangement gives very firm signals, a point of great importance for good working.Advertisement
The total lengths of the land lines of the telegraphs throughout the world in 1907 were 1,015,894 m.
There is telegraphic communication between Brass and Bonny and Europe by submarine cable, and land lines from Calabar to Lagos and from Lagos to Jebba, Lokoja, Zungeru, Kano, &c., a connexion being also effected with the telegraph system of French West Africa.
Egypt is also connected by cables and land-lines with the outside world.
The second section, known as the Persian section, consists of land lines running from Bushire to Teheran.
Khartum is connected by land lines with Egypt and Uganda, thus affording direct telegraphic connexion between Alexandria and Mombasa (2500 m.).Advertisement
With a phone that can do almost anything, it may be hard to remember sometimes that yes, you actually can talk on it like you could on those old-fashioned land lines and older, less cool cell phones.
In the world of free long distance that's not as big a deal as it used to be, but for land lines or for plans that charge extra for roaming a family plan with a different area code can be quite a problem.